..Even though positive effects of probiotics on respiratory tract infections have been reported, overall only few studies have examined effects on virus infections concerning organs other than the gastrointestinal tract...

Effects of probiotic bacteria and their genomic DNA on TH1/TH2-cytokine production by peripheral blood mononuclear cells (PBMCs) of healthy and allergic subjects

..fermentum (K2-Lb4 and K11-Lb3) which differed in their effect on the production of hBD-2 in this study...

Probiotics and prebiotics: effects on diarrhea

Michael de VreseInstitute of Physiology and Biochemistry of Nutrition, Federal Research Centre for Nutrition and Food, 24103 Kiel, GermanyJ Nutr 137:803S-11S. 2007

..Perhaps with the exception of nosocomial diarrhea or antibiotic-associated diarrhea, the results of these studies are not yet sufficient to give specific recommendations for the clinical use of probiotics in the treatment of diarrhea...